diff options
Diffstat (limited to 'railties/guides/source/asset_pipeline.textile')
-rw-r--r-- | railties/guides/source/asset_pipeline.textile | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/railties/guides/source/asset_pipeline.textile b/railties/guides/source/asset_pipeline.textile index e40310a9ec..73f77ac05e 100644 --- a/railties/guides/source/asset_pipeline.textile +++ b/railties/guides/source/asset_pipeline.textile @@ -62,11 +62,11 @@ This has several disadvantages: <ol> <li> - <strong>Not all caches will cache content with a query string</strong><br> + <strong>Not all caches will cache content with a query string</strong><br/> "Steve Souders recommends":http://www.stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring/, "...avoiding a querystring for cacheable resources". He found that in these case 5-20% of requests will not be cached. </li> <li> - <strong>The file name can change between nodes in multi-server environments.</strong><br> + <strong>The file name can change between nodes in multi-server environments.</strong><br/> The query string in Rails is based on the modification time of the files. When assets are deployed to a cluster, there is no guarantee that the timestamps will be the same, resulting in different values being used depending on which server handles the request. </li> </ol> @@ -93,7 +93,7 @@ In production, the default is to precompile these files to +public/assets+ so th When a scaffold or controller is generated for the application, Rails also generates a JavaScript file (or CoffeeScript file if the +coffee-rails+ gem is in the +Gemfile+) and a Cascading Style Sheet file (or SCSS file if +sass-rails+ is in the +Gemfile+) for that controller. -For example, if a +ProjectsController+ is generated, there will be a new file at +app/assets/javascripts/projects.js.coffee+ and another at +app/assets/stylesheets/projects.css.scss+. You should put any JavaScript or CSS unique to a controller inside their respective asset files, as these files can then be loaded just for these controllers with lines such as +<%= javascript_include_tag params[:controller] %>+ or +<%= stylesheet_link_tag params[:controller] %>+. +For example, if a +ProjectsController+ is generated, there will be a new file at +app/assets/javascripts/projects.js.coffee+ and another at +app/assets/stylesheets/projects.css.scss+. You should put any JavaScript or CSS unique to a controller inside their respective asset files, as these files can then be loaded just for these controllers with lines such as +<%= javascript_include_tag params[:controller] %>+ or +<%= stylesheet_link_tag params[:controller] %>+. NOTE: You will need a "ExecJS":https://github.com/sstephenson/execjs#readme - supported runtime in order to use CoffeeScript. If you are using Mac OS X or Windows you have a JavaScript runtime installed in your operating system. Check "ExecJS":https://github.com/sstephenson/execjs#readme documentation to know all supported JavaScript runtimes. |